<template>
  <h1>循环指令</h1>
  <ul>
    <li v-for="item in 5">hello{{item}}</li>
  </ul>
  <hr>
  <ul v-for="item in 3">
    <li>Hello{{item}}</li>
    <li>Hello{{item}}</li>
    <li>Hello{{item}}</li>
  </ul>
  <ul v-for="p in productArr">
    <li>{{p}}</li>
  </ul>
  <hr>
  <table border="1">
    <tr>
      <th>商品编号</th>
      <th>商品名称</th>
      <th>商品价格</th>
      <th>商品数量</th>
    </tr>
    <tr v-for="(p,index) in productArr">
      <td>{{p.title}}</td>
      <td>{{p.price}}</td>
      <td>{{p.num}}</td>
      <td><button @click="del(index)">删除</button></td>
    </tr>
  </table>
</template>

<script setup>
import { ref } from 'vue'
const productArr = ref([
  {title:"葡萄",price:10,num:100},
  {title:"苹果",price:20,num:200},
  {title:"西瓜",price:30,num:300},
  {title:"香蕉",price:40,num:400}
]);
const del = (index) => {
  if(confirm('确定删除该商品吗？')){
    productArr.value.splice(index,1);
  }
}


</script>

<style scoped>
</style>
